CN111649878B - Helium leakage detecting device for barrel body - Google Patents
Helium leakage detecting device for barrel body Download PDFInfo
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- CN111649878B CN111649878B CN202010419837.5A CN202010419837A CN111649878B CN 111649878 B CN111649878 B CN 111649878B CN 202010419837 A CN202010419837 A CN 202010419837A CN 111649878 B CN111649878 B CN 111649878B
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- workbench
- barrel body
- helium
- limiting
- leakage
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a helium leakage detecting device for a barrel body, which comprises a frame, a leakage detecting cover, a vacuum pump, a helium leakage detector, a workbench and a lifting mechanism, the leakage detecting cover is arranged at the upper end of the front side of the frame and is connected with the vacuum pump and the helium leakage detector, the working table is positioned under the leakage detecting cover and is used for placing the barrel body, the lifting mechanism is arranged at the front side of the frame and is used for driving the working table to lift, a conveying frame used for conveying the barrel body to the workbench is arranged on one side of the workbench, a limiting mechanism capable of limiting the barrel body on the workbench is arranged on the other side of the workbench, the working table is provided with a releasing mechanism which can separate the limiting mechanism from the barrel body, the releasing mechanism drives the releasing mechanism to work through the upward movement of the working table, the barrel body can smoothly and accurately extend into the leakage detecting cover, the normal operation of equipment is guaranteed, and then the leakage detection is carried out through the work of a vacuum pump and a helium leakage detector; simple and reasonable structure, and can be applied to industrial production lines.
Description
Technical Field
The invention relates to the field of helium leakage detection equipment for a barrel body, in particular to a helium leakage detection device for the barrel body.
Background
Since many chemicals such as pesticides and chemical solvents must be stored in a sealed environment due to safety and environmental protection requirements, the sealing performance of steel drums for containing various chemicals is very important, and thus higher requirements are provided for the sensitivity, reliability and the like of leak detection devices for detecting the sealing performance of containers. Helium leak detection is used as a detection method which is high in sensitivity, clean, environment-friendly and reliable, and is gradually used for steel drum leak detection. Helium is an inert gas, has the advantages of small molecular weight, light weight, strong diffusivity and penetrability, quick and stable response and the like, does not play a chemical role, does not pollute a detected piece, and is safe to operate, so that the application of the helium mass spectrum leak detection technology is very wide. However, the helium consumption of the existing helium leakage detecting device during detection is large, the response is slow, the detection cost is too high, and the large-scale popularization and application on an industrial production line are difficult.
Disclosure of Invention
The invention aims to provide a barrel body leakage detection device which is simple and reasonable in structure, high in leakage detection precision, safe in production and low in detection cost.
In order to achieve the purpose, the invention provides the following technical scheme:
a helium leakage detecting device for a barrel comprises a frame, a leakage detecting cover, a vacuum pump, a helium leakage detector, a workbench and a lifting mechanism, wherein the leakage detecting cover is arranged at the upper end of the front side of the frame and is connected with the vacuum pump and the helium leakage detector, the workbench is positioned under the leakage detecting cover and is used for placing the barrel, the lifting mechanism is arranged at the front side of the frame and is used for driving the workbench to lift, a conveying frame used for conveying the barrel to the workbench is arranged at one side of the workbench, a limiting mechanism capable of limiting the barrel on the workbench is arranged at the other side of the workbench, a removing mechanism capable of separating the limiting mechanism from the barrel is arranged on the workbench, the removing mechanism drives the removing mechanism to work through the upward movement of the workbench, according to the structure, the barrel is conveyed to the workbench through the conveying frame, and can be limited to accurately stop in the middle of the workbench through the arrangement of the limiting mechanism, the working table and the barrel body are driven to ascend through the lifting mechanism, the barrel body extends into the leakage detecting cover, the lifting mechanism drives the releasing mechanism to work when ascending, the limiting mechanism is separated from the barrel body, the barrel body smoothly and accurately extends into the leakage detecting cover, normal operation of equipment is guaranteed, and leakage detection is carried out through the vacuum pump and the helium leakage detector; simple and reasonable structure, and can be applied to industrial production lines.
Furthermore, stop gear is including setting up the extension board on the workstation the extension board is equipped with the dead lever, the dead lever front end is equipped with the baffle that is used for restricting the staving and removes.
Furthermore, the releasing mechanism comprises a telescopic rod hinged on the lifting mechanism, the fixed rod is movably inserted on the extending plate, a hinged seat is arranged on one side of the fixed rod, and one end of the telescopic rod is hinged with the hinged seat.
Preferably, the baffle is arc-shaped.
Preferably, the baffle is connected with the fixing rod through a hinge.
Preferably, the workbench is provided with an annular concave ring, a sealing ring is arranged in the annular concave ring, and a flange which can be matched with the annular concave ring is arranged on a cover opening of the leakage detection cover.
In summary, compared with the prior art, the invention has the beneficial effects that:
compared with the prior art, the helium leakage detecting device for the barrel body has the advantages that the barrel body is conveyed to the workbench through the conveying rack, meanwhile, the limiting mechanism is arranged, the barrel body can be limited to be accurately stopped in the middle of the workbench, the workbench and the barrel body are driven to ascend into the leakage detecting cover through the lifting mechanism, the lifting mechanism can drive the releasing mechanism to work when ascending, the limiting mechanism is separated from the barrel body, the barrel body smoothly and accurately extends into the leakage detecting cover, normal operation of equipment is guaranteed, and leakage detection is carried out through the vacuum pump and the helium leakage detector; simple and reasonable structure, and can be widely applied to industrial production lines.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a front view schematically illustrating the present invention.
Description of reference numerals:
1. a frame; 2. a leakage detection cover; 3. a vacuum pump; 4. a helium leak detector; 5. a work table; 6. a lifting mechanism; 7. a conveyor frame; 100. a limiting mechanism; 200. a release mechanism; 21. an extension plate; 22. fixing the rod; 23. a baffle plate; 31. a telescopic rod; 32. a hinged seat; 61. an annular concave ring.
Detailed Description
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:
the helium leakage detection device for the barrel body shown in the figures 1 to 2 has the following specific implementation mode: the device comprises a frame 1, a leak detection cover 2, a vacuum pump 3, a helium leak detector 4, a workbench 5 and a lifting mechanism 6, wherein the leak detection cover 2, the vacuum pump 3 and the helium leak detector 4 are all provided with existing products, the leak detection cover 2 is arranged at the upper end of the front side of the frame 1 and is connected with the vacuum pump 3 and the helium leak detector 4, the workbench 5 is arranged under the leak detection cover 2 and is used for placing a barrel body, the lifting mechanism 6 is arranged at the front side of the frame 1 and is used for driving the workbench 5 to lift, the lifting mechanism 6 adopts the existing technology and is connected with the frame 1 and is driven by a set program, one side of the workbench 5 is provided with a conveying frame 7 used for conveying the barrel body to the workbench 5, the other side of the workbench 5 is provided with a limiting mechanism 100 capable of limiting the barrel body on the workbench 5, the workbench 5 is provided with a removing mechanism 200 capable of separating the limiting mechanism 100 from the barrel body, the release mechanism 200 is driven to operate by the upward movement of the table 5.
The limiting mechanism 100 comprises an extending plate 21 arranged on the workbench 5, a fixing rod 22 is arranged on the extending plate 21, a baffle 23 used for limiting the movement of the barrel body is arranged at the front end of the fixing rod 22, preferably, the baffle 23 is arc-shaped and is hinged with the fixing rod 22, and the barrel body can be conveniently taken out in a hinged mode.
The releasing mechanism 200 of the present invention comprises an expansion link 31 hinged on the lifting mechanism 6, the fixing rod 22 is movably inserted on the extending plate 21, a hinge seat 32 is arranged on one side of the fixing rod 22, and one end of the expansion link 31 is hinged with the hinge seat 32.
According to the invention, the workbench 5 is provided with the annular concave ring 61, the annular concave ring 61 is internally provided with the sealing ring, and the cover opening of the leakage detection cover 2 is provided with the flange which can be matched with the annular concave ring 61, so that the sealing performance of the leakage detection cover 2 can be improved.
The specific working principle of the invention is as follows:
the barrel body is conveyed to the workbench 5 from the conveying rack 7, the barrel body is limited by the baffle 23 and stops at the middle of the workbench 5, then the lifting mechanism 6 drives the workbench 5 and the barrel body to ascend together, the lifting mechanism 6 ascends and drives the telescopic rod 31 to move, the other end of the telescopic rod 31 moves backwards and drives the fixing rod 22 to move backwards, the baffle 23 is separated from the barrel body, the barrel body can accurately extend into the leakage detection cover 2, the vacuum pump 3 carries out vacuum pumping in the leakage detection cover 2, when the vacuum degree is pumped to 30KPa, the helium leakage detector 4 is started, if the barrel body is leaked, helium in the barrel body escapes from the barrel according to the pressure difference principle, and the helium leakage detector 4 alarms after detecting a certain amount of helium molecules, so as to determine the leakage condition of the barrel body; after the helium leakage detection is finished, the lifting mechanism 6 drives the workbench 5 and the barrel body to descend.
While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a staving helium leak hunting device which characterized in that: the device comprises a rack (1), a leakage detection cover (2), a vacuum pump (3), a helium leak detector (4), a workbench (5) and a lifting mechanism (6), wherein the leakage detection cover (2) is arranged at the upper end of the front side of the rack (1) and is connected with the vacuum pump (3) and the helium leak detector (4), the workbench (5) is positioned under the leakage detection cover (2) and is used for placing a barrel body, the lifting mechanism (6) is arranged at the front side of the rack (1) and is used for driving the workbench (5) to lift, a conveying rack (7) for conveying the barrel body onto the workbench (5) is arranged at one side of the workbench (5), a limiting mechanism (100) capable of limiting the barrel body on the workbench (5) is arranged at the other side of the workbench (5), a release mechanism (200) capable of enabling the limiting mechanism (100) to be separated from the barrel body is arranged on the workbench (5), and the release mechanism (200) is driven to work by upward movement of the workbench (5); the limiting mechanism (100) comprises an extension plate (21) arranged on the workbench (5), a fixing rod (22) is arranged on the extension plate (21), and a baffle (23) used for limiting the movement of the barrel body is arranged at the front end of the fixing rod (22); the releasing mechanism (200) comprises an expansion rod (31) hinged to the lifting mechanism (6), the fixing rod (22) is movably inserted into the extension plate (21), an articulated seat (32) is arranged on one side of the fixing rod (22), and one end of the expansion rod (31) is hinged to the articulated seat (32).
2. The staving helium leak detection apparatus of claim 1, wherein said baffle (23) is arcuate in shape.
3. The barrel helium leak detection apparatus as claimed in claim 1 or 2, wherein the baffle (23) is connected to the fixing rod (22) by a hinge.
4. The barrel helium leak detection device according to claim 1, wherein an annular concave ring (61) is arranged on the workbench (5), a sealing ring is arranged in the annular concave ring (61), and a flange capable of being matched with the annular concave ring (61) is arranged on a cover opening of the leak detection cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419837.5A CN111649878B (en) | 2020-05-18 | 2020-05-18 | Helium leakage detecting device for barrel body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010419837.5A CN111649878B (en) | 2020-05-18 | 2020-05-18 | Helium leakage detecting device for barrel body |
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| Publication Number | Publication Date |
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| CN111649878A CN111649878A (en) | 2020-09-11 |
| CN111649878B true CN111649878B (en) | 2022-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010419837.5A Active CN111649878B (en) | 2020-05-18 | 2020-05-18 | Helium leakage detecting device for barrel body |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116929660B (en) * | 2023-09-15 | 2023-12-08 | 庆阳瑞华能源有限公司 | Leak detection device for barrel helium and leak detection method thereof |
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2020
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| CN201473053U (en) * | 2009-01-23 | 2010-05-19 | 奇瑞汽车股份有限公司 | Protective device in lifting and transporting flat-plate conveying line |
| CN201583388U (en) * | 2009-11-27 | 2010-09-15 | 无锡市四方制桶有限公司 | Steel drum helium leakage detecting device |
| CN102785792A (en) * | 2012-07-27 | 2012-11-21 | 长城汽车股份有限公司 | Spacing device of equipment for delivering welding workpieces in circulating manner |
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| CN111649878A (en) | 2020-09-11 |
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Effective date of registration: 20230208 Address after: 314000 No. 2291, Xinqun Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: Jiaxing COFCO barrel Co.,Ltd. Address before: 510000 Industrial Zone (Petrochemical Road side), Tan Shan village, Hualong Town, Panyu District, Guangzhou, Guangdong Patentee before: Guangzhou COFCO barrel Making Co.,Ltd. |
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